N1 Pedestrian Facilities

CLIENT
SANRAL

ARCHITECT/ENGINEER
SMEC

VALUE AT COMPLETION
ZAR 143 Million

LOCATION
N1 Botlokwa Section 28 km 43,8 and km 45,7

PROJECT TYPE
Roads & Bridges

DESCRIPTION
The upgrading of the Matoks intersection on the N1 by constructing two new pedestrian bridge and the one main vehicle bridge , 1,9km service road B and upgrading of the N1 for 1,5 km.

CONTRACT PERIOD
July 2014 – May 2016

BRT: Katherine Street

CLIENT
Johannesburg Development Agency

ARCHITECT/ENGINEER
Hatch/GOBA

VALUE AT COMPLETION
ZAR 85 Million

LOCATION
Sandton, Katherine Street

PROJECT TYPE
Roads & Bridges

DESCRIPTION
The Section 8 of the Rea Vaya BRT in Johannesburg, will service the proposed route between the Gautrain Station in the Sandton CBD and an inter-modal facility adjacent to Pretoria Main Road serving the Alexandra community.

CONTRACT PERIOD
May 2014 – June2015

BRT: Anderson Road

CLIENT
eThekwini Transport Authority

ARCHITECT/ENGINEER
MCA Joint Venture

VALUE AT COMPLETION
R 293 mil (In JV with Thekwane, Oteo, Phakama, Ngosi Trading and Lakeshore)

LOCATION
Pinetown, KZN

PROJECT TYPE
Roads & Bridges

DESCRIPTION
Section 1 runs along Josiah Gumede road (old Main road), from Anderson road to Beviss road and consists of the dedicated ROW lanes for the new Integrated Rapid Public Transport Network, a total length of Section 1 is 1550m and is the main carriageway through Pinetown CBD.
Section 2 runs along Anderson road from Josiah Gumede road to Davidson road south and is 400m in total.

CONTRACT PERIOD
May 2014 – December 2015

Husab Mine

Husab Mine is situated in the Namib Naukluft National Park, 80km outside of Swakopmund, a coastal town of Namibia.

Scope of work included:
  • Construction of terraces and laydown areas.
  • Construction of access and service roads-50 km.
  • Excavation of crusher decline and installation of lateral support.
  • Construction of 8 ponds with capacity ranging from 26 000m3 to 63 000m3.
  • Installation of the plant sewer reticulation- 7 600 m
  • Installation of mine fencing - 65 km
  • Total volume cut to fill - 1.457 million m3
Contract Duration: Nov 2012 - Aug 2014
Contract Value: NAD 300 million
Engineers: HPJV
Client: Swakop Uranium
Location: Namib Naukluft National Park, Namibia

Swartruggens N4 – Phase 2

WBHO has successfully completed Phase one which consisted of the realignment and rehabilitation of 25km of the N4 between Rustenburg and Swartruggens. Phase two consists of an additional 25km of the N4 just outside of Rustenburg. The project is being constructed while the existing N4, a major artery into Botswana, remains open to commuters. Construction is being conducted in half widths to minimize stop/go systems in combination with diverting traffic onto temporary traffic accommodation shoulders. The scope of work entails breaking up the existing pavement layers which are then recycled to form an insitu roadbed on which the layerworks for the new road are constructed.
Contract Duration: May 2013 - October 2014
Contract Value: R160 Million
Engineers: Jeffares & Green
Client: Bakwena Platinum Corridor Concessionaire (Pty) Ltd
Location: Rustenburg/Swartruggens

Watson Highway Link Road

This Link is a dual road with a median to allow a future rapid transport lane or rapid transport system to be placed between the two lanes. This road is 3.4 km long and will link the Dube Tradeport’s Tradezone area at King Shaka International Airport with the Watson Highway, which links Tongaat with the N2. The scope of work included the construction of a proposed MRO or aircraft maintenance area. All the MRO cut (about 380,000m3) was used to create fill platforms for future expansion of Dube Tradeport. The bulk earthworks for the road was more than 820 000m3
Contract Duration: May 2012 - Oct 2014
Contract Value: ZAR 187 Million
Engineers: Virtual Consulting Engineers
Client: Dube Tradeport
Location: Watson Highway, Kzn

Rehabilitation Of Section EN4/2

The contract entails the rehabilitation of 36 km of road by building a temporary shoulder, surfacing thereof and diverting traffic onto the newly built section. Thereafter in-situ milling of the existing sub-base and surfacing, to a depth of 300mm by adding bitumen and cement. This bitumen stabilized material (BSM) is then covered with a 150mm G1 base and surfaced with 45mm AE2 Medium mix. The Load Control Area consists of the widening of an existing section of the road together with the construction of a new parking area. Two new weigh bridges will be constructed.

Contract duration:   October 2013 - October 2014

Contract value: ZAR 330 Million 

Engineers: SMEC and SNA

Client: TRAC

Location:Mohambe, Mozambique

Mopani Copper Mine

After the successful completion of Lubambe Mine's Concentrator Civil works in Chililabombwe, Zambia, WBHO Zambia was in November 2012 awarded the civil works of the acid plant and gas cleaning plant for Mopani copper mines in Mufulira. Mufulira is a Copperbelt town situated 40km from Kitwe and 60km from Chingola. The first phase of the project was to construct the foundation for the converter, 6 heat exchangers, 3 acid towers, two 21m diameter acid tanks with containment area, and stack. In the month of January 2013, the works was extended with some more foundations for the gas cleaning area, cooling towers for contact sections and gas cleaning area, foundations for the pipe racks, duct supports, pipe and cable supports and 2 MCC rooms with all the brickwork and foundations.

The scope of works comprises some 7900m3 concrete, 12000m² of formwork, 7000m² of acid brick tiling and 2200m² of face brickwork. The workforce on site totals 275 of whom only 11 are expatriates.

Contract duration:  
Nov 2012 - Nov 2013

Contract value:  
Zambian Kwacha 65 Million   (US$ 12 Million)

Client:
MOPANI COPPER MINES PLC

Location:    
Mufulira, Zambia

Metolong Downstream Conveyance System

In acknowledgment of the critical importance of providing potable and adequate water supplies to the domestic and commercial consumers of the lowland areas in Lesotho, the government of Lesotho sought assistance from the European Union to develop the Metolong Dam and Water Supply Programme (MWSP). The MWSP consists of the construction of the main dam (Metolong) and the downstream conveyance system and WBHO was awarded contract 2 of the Downstream Conveyance system.

The scope of work includes the construction and initial operation of the following main components;
-

65km gravity lines and rising mains ranging from 660mm OD to 200mm OD

- Two 2.5ML reservoirs, a 0.75ML and a 3ML reservoir with operator, guard houses and chlorination buildings
- 129l/sec (272kw) Booster Pump Station with 500kL Pressed Steel Tank sump
- 1.1 km gravel topped mountain access road to the Mantsebo Command Reservoir.


Contract duration:
Jan 2012 - Feb 2014

Contract value:
R 265 Million

Consultant:
GIBB-GOBA JV

Client:
Metolong Authority

Location:
Ha Majane, Lesotho

Golden Ridge – Akyem (Ghana)

The successful completion of the 157Ha Tailing Storage Facility, including the bulk and detailed earthworks, was achieved at the end of May 2013, after 25 months of construction in the warm African sun.

The completed scope of work included 1,511,000m² of HDPE liner, 1,531,000m² of soil liner, over 1,000,000m³ of topsoil stripped and a design cut and fill volume of over 6,000,000m³. We also constructed an 8km access road and HDPE pipeline. All of these activities were successfully achieved with more than 2.5 million LTIF hours.

We are currently busy with the construction of the Pit diversion channel which involves 450,000m³ of excavation mainly in hard rock, over a length of 780 lineal meters. At it's deepest, the channel invert level is deeper than 33 meters below natural ground level.

Contract duration:
25 Months

Contract value:
US$ 31 Million

Consultant:
Lycopodium Ghana Ltd

Client:
Newmont Golden Ridge Ltd

Location:
Akyem, Ghana